The Daily Grind: Who is your favorite in-game companion?

While not every MMO features companions, there are enough out there that I wager you've played a title or two with a strapping NPC at your side. One of my absolute favorite features of Star Wars: The Old Republic is its companion system. The day that I finally earned my HK-51 was one of the most glorious moments of my life, just narrowly edging out the birth of my children and the return of Arrested Development.

Who is your favorite in-game companion? Did you choose that companion based on personality, looks, or general combat assistance? What is one of your favorite stories involving that character?

Every morning, the Massively bloggers probe the minds of their readers with deep, thought-provoking questions about that most serious of topics: massively online gaming. We crave your opinions, so grab your caffeinated beverage of choice and chime in on today's Daily Grind!